Abstract: In the process of threshing and redrying with mechanical forces, tobacco leaf will inevitably change into short stems and tobacco powder so that the overall utilization of tobacco leaf will be reduced because of the damage. The section of damage, the proportion of shatter, the controlling factors of decreasing the tobacco loss and the quantity of shatter were analyzed. The methods foracquiring the high threshing quality according to the tobacco characters and the optimum processing condition and the optimum processing of shatter treatment were founded.